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ESP-SDR
FirmwareExplore radio signals using your ESP32
ESP-SDR repurposes supported ESP32 radio hardware to receive raw radio samples. Its firmware sends captures or calculated spectra to a computer over USB or UART, where they can be displayed and examined.
This is an experimental receive-only radio instrument, not a calibrated spectrum analyzer or general-purpose wideband receiver. Most chips capture short bursts with gaps, and continuous streaming is available only on particular models and configurations.
- Install different firmware
- Explore nearby radio signals
- Raw I/Q capture
- On-device spectrum calculations
- Browser-based signal viewer
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